Toshiba MK4001GRZB 400GB 2.5" SFF SLC SAS SSD Drive

Toshiba Part #/MPN: MK4001GRZB

DiscTech Item #: TOS-MK4001GRZB-BN-5Y


Enterprise Grade

Capacity: 400GB

Speed: Solid State Memory

Interface Types: SAS Serial Attached SCSI

Form Factor: 2.5inx15mm SFF Server Drive

Sector Size: 512 / 512e

Sustained Throughput: 530

Electrical Interface: SAS-2 Serial Attached SCSI v2 - 6.0Gbps


SSD Endurance DWPD: Enterprise Write Intensive

Toshiba MK4001GRZB 400GB SFF 2.5in SLC / Single-level Cell Write Optimized Enterprise Serial Attached SCSI / SAS NAND Solid State Drive SSD - Brand New

Toshiba's high endurance 2.5" Enterprise-Class SSD Architecture optimized for teir-0 high performance, write-intensive applications, such as OLTP, HPC, and high-performance databases.

Highlights and Key Features:

  • 32nm Enterprise Grade Single-level Cell (SLC) NAND Flash Memory
  • 6 Gb/sec Serial Attached SCSI (SAS) Interface
  • 400GB Storage Capacity
  • Random Sustained 90,000 read and 16,000 Write IOPS 
  • Sequential Sustained 500MB/s Read and 250MB/s Write Throughput


This drive is compatible with any server that accepts small form factor (SFF) SAS hard drives

Drive specificationMK4001GRZB
Capacity400GB NAND Flash Memory
Interface TypeSAS II 6Gb/s
NAND Technology32nm SLC
Dimensions WxDxH2.75" (69.85mm) x 3.94" (100mm) x 0.59" (15mm)
Weight152g (5.36 oz)
Operating Temp0-55C or 32-131F
Form Factor2.5in

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ROHS Compliant

Weight: 1 lb

Warranty: 5 Year Manufacturer

Brand New

Condition Levels Explained

The product is brand new.

5 Year Manufacturer Warranty

Product Warranties Explained

The product has a manufacturer warranty for the time period specified.